Year Number
1950 52.942
1951 54.013
1952 54.531
1953 55.07
1954 55.975
1955 57.303
1956 58.661
1957 60.483
1958 62.442
1959 64.048
1960 64.99
1961 65.597
1962 65.443
1963 64.695
1964 63.702
1965 62.661
1966 61.071
1967 59.69
1968 58.376
1969 56.96
1970 55.432
1971 54.322
1972 53.094
1973 51.902
1974 50.97
1975 50.403
1976 50.397
1977 50.623
1978 51.034
1979 51.486
1980 51.878
1981 52.18
1982 52.431
1983 52.674
1984 52.942
1985 53.225
1986 53.784
1987 54.195
1988 54.433
1989 54.52
1990 54.474
1991 54.176
1992 53.883
1993 53.501
1994 52.886
1995 51.979
1996 51.242
1997 50.173
1998 48.895
1999 47.611
2000 46.441
2001 45.349
2002 44.419
2003 43.604
2004 42.801
2005 41.973
2006 41.274
2007 40.637
2008 40.122
2009 39.814
2010 39.765
2011 40.286
2012 40.903
2013 41.675
2014 42.656
2015 43.843
2016 45.072
2017 46.528
2018 48.108
2019 49.653
2020 51.073
2021 52.432
2022 53.679
2023 54.76
2024 55.636
2025 56.29
2026 56.747
2027 56.983
2028 57.055
2029 57.04
2030 56.989
2031 56.902
2032 56.81
2033 56.746
2034 56.767
2035 56.931
2036 57.204
2037 57.631
2038 58.235
2039 59.022
2040 59.978
2041 61.061
2042 62.32
2043 63.755
2044 65.367
2045 67.152
2046 69.096
2047 71.234
2048 73.499
2049 75.759
2050 77.907
2051 79.878
2052 81.744
2053 83.472
2054 85.063
2055 86.534
2056 87.751
2057 88.832
2058 89.755
2059 90.493
2060 91.022
2061 91.106
2062 91.004
2063 90.755
2064 90.407
2065 89.995
2066 89.26
2067 88.502
2068 87.803
2069 87.272
2070 86.98
2071 86.714
2072 86.741
2073 87.012
2074 87.413
2075 87.85
2076 88.174
2077 88.621
2078 89.131
2079 89.641
2080 90.133
2081 90.467
2082 90.796
2083 91.124
2084 91.447
2085 91.74
2086 91.776
2087 91.816
2088 91.836
2089 91.827
2090 91.798
2091 91.507
2092 91.223
2093 90.954
2094 90.714
2095 90.508
2096 90.01
2097 89.557
2098 89.176
2099 88.898
2100 88.739